commit 5a8a1c25842cb7df8d1f2e26302760d75b67a201
Author: Валерий Стадченко <mail@stadchenko.ru>
Date:   Mon Sep 5 10:35:50 2022 +0300

    Начальный импорт

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..882ca7f
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Valery Stadchenko
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..806a082
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,14 @@
+module github.com/PCManiac/healthz
+
+go 1.17
+
+require (
+	github.com/PCManiac/logrus_init v0.0.0
+	github.com/klyve/go-healthz v0.0.0-20190408055138-fd2dad35640e
+	github.com/sirupsen/logrus v1.9.0
+)
+
+require (
+	github.com/caarlos0/env/v6 v6.10.0 // indirect
+	golang.org/x/sys v0.0.0-20220829200755-d48e67d00261 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..0904469
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,29 @@
+github.com/PCManiac/logrus_init v0.0.0 h1:sn8aQyHLmN/AMTkZfKCQo4mOB5Ckhs+FL85ygNybyMw=
+github.com/PCManiac/logrus_init v0.0.0/go.mod h1:mDbCY64MUIrl+gcI37TQGpb22ADZlY8WBJ6tR2pteqk=
+github.com/caarlos0/env/v6 v6.10.0 h1:lA7sxiGArZ2KkiqpOQNf8ERBRWI+v8MWIH+eGjSN22I=
+github.com/caarlos0/env/v6 v6.10.0/go.mod h1:hvp/ryKXKipEkcuYjs9mI4bBCg+UI0Yhgm5Zu0ddvwc=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/klyve/go-healthz v0.0.0-20190408055138-fd2dad35640e h1:8PyRrJtkXdfCBnthkmDS89D6lKOVv8MgmSsv2hiZBtg=
+github.com/klyve/go-healthz v0.0.0-20190408055138-fd2dad35640e/go.mod h1:4BxJLPed6f8zWM6LdzftLnBb9BidoLeUB9KOppJaGt4=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
+github.com/sirupsen/logrus v1.9.0 h1:trlNQbNUG3OdDrDil03MCb1H2o9nJ1x4/5LYw7byDE0=
+github.com/sirupsen/logrus v1.9.0/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20211109184856-51b60fd695b3/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220829200755-d48e67d00261 h1:v6hYoSR9T5oet+pMXwUWkbiVqx/63mlHjefrHmxwfeY=
+golang.org/x/sys v0.0.0-20220829200755-d48e67d00261/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/healthz.go b/healthz.go
new file mode 100644
index 0000000..0251398
--- /dev/null
+++ b/healthz.go
@@ -0,0 +1,49 @@
+package healthz
+
+import (
+	"net/http"
+
+	_ "github.com/PCManiac/logrus_init"
+	"github.com/klyve/go-healthz"
+	"github.com/sirupsen/logrus"
+)
+
+type HealthzServer interface {
+	StartHealthz()
+}
+
+type server struct {
+	metricsPort string
+	provider    healthz.Checkable
+}
+
+func (s *server) StartHealthz() {
+	healthzInstance := healthz.Instance{
+		Logger: logrus.StandardLogger(),
+	}
+
+	if s.provider != nil {
+		healthzInstance.Providers = []healthz.Provider{
+			{
+				Handle: s.provider,
+				Name:   "server",
+			},
+		}
+	}
+
+	http.Handle("/healthz", healthzInstance.Healthz())
+	http.Handle("/liveness", healthzInstance.Liveness())
+
+	go http.ListenAndServe(s.metricsPort, nil)
+}
+
+func New(addr string, provider healthz.Checkable) HealthzServer {
+	s := server{
+		metricsPort: addr,
+		provider:    provider,
+	}
+
+	s.StartHealthz()
+
+	return &s
+}